19573680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 70852608

約数和(自身を除く): 51278928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 191, 210, 240, 244, 280, 305, 336, 366, 382, 420, 427, 488, 560, 573, 610, 732, 764, 840, 854, 915, 955, 976, 1146, 1220, 1281, 1337, 1464, 1528, 1680, 1708, 1830, 1910, 2135, 2292, 2440, 2562, 2674, 2865, 2928, 3056, 3416, 3660, 3820, 4011, 4270, 4584, 4880, 5124, 5348, 5730, 6405, 6685, 6832, 7320, 7640, 8022, 8540, 9168, 10248, 10696, 11460, 11651, 12810, 13370, 14640, 15280, 16044, 17080, 20055, 20496, 21392, 22920, 23302, 25620, 26740, 32088, 34160, 34953, 40110, 45840, 46604, 51240, 53480, 58255, 64176, 69906, 80220, 81557, 93208, 102480, 106960, 116510, 139812, 160440, 163114, 174765, 186416, 233020, 244671, 279624, 320880, 326228, 349530, 407785, 466040, 489342, 559248, 652456, 699060, 815570, 932080, 978684, 1223355, 1304912, 1398120, 1631140, 1957368, 2446710, 2796240, 3262280, 3914736, 4893420, 6524560, 9786840, 19573680]

約数ペア:

[(1, 19573680), (2, 9786840), (3, 6524560), (4, 4893420), (5, 3914736), (6, 3262280), (7, 2796240), (8, 2446710), (10, 1957368), (12, 1631140), (14, 1398120), (15, 1304912), (16, 1223355), (20, 978684), (21, 932080), (24, 815570), (28, 699060), (30, 652456), (35, 559248), (40, 489342), (42, 466040), (48, 407785), (56, 349530), (60, 326228), (61, 320880), (70, 279624), (80, 244671), (84, 233020), (105, 186416), (112, 174765), (120, 163114), (122, 160440), (140, 139812), (168, 116510), (183, 106960), (191, 102480), (210, 93208), (240, 81557), (244, 80220), (280, 69906), (305, 64176), (336, 58255), (366, 53480), (382, 51240), (420, 46604), (427, 45840), (488, 40110), (560, 34953), (573, 34160), (610, 32088), (732, 26740), (764, 25620), (840, 23302), (854, 22920), (915, 21392), (955, 20496), (976, 20055), (1146, 17080), (1220, 16044), (1281, 15280), (1337, 14640), (1464, 13370), (1528, 12810), (1680, 11651), (1708, 11460), (1830, 10696), (1910, 10248), (2135, 9168), (2292, 8540), (2440, 8022), (2562, 7640), (2674, 7320), (2865, 6832), (2928, 6685), (3056, 6405), (3416, 5730), (3660, 5348), (3820, 5124), (4011, 4880), (4270, 4584)]